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Exchanges are businesses, and it is not easy to keep a business functional for many years. Due to the many challenges that can be faced in a business, so many businesses are not even able to survive a ten-year period.
According to data from the Bureau of Labor Statistics, as reported by Fundera, approximately 20 percent of small businesses fail within the first year. By the end of the second year, 30 percent of businesses will have failed. By the end of the fifth year, about half will have failed. And by the end of the decade, only 30 percent of businesses will remain — a 70 percent failure rate.
https://www.entrepreneur.com/starting-a-business/the-true-failure-rate-of-small-businesses/361350I also read that there were several large amounts of funds that were eventually moved from the exchange. This indicates that there is a large proportion of current holders or traders who still store their assets on the exchange.
Some of these holders are investors who have no one to advise them properly that though they are investing, they are doing it the wrong way.